OK, not much of a mystery on this one but I'll share the pics anyway.
I wanted to knock the primers out of some 50 bmg so I printed a little base to hold the case and a plastic rod as the depriming pin. 2mm hole in the end of the rod, glued in a length of 2mm A2 steel rod to serve as the pin proper. Then, tapped it out with a hammer. Easy peasy.
I wanted to knock the primers out of some 50 bmg so I printed a little base to hold the case and a plastic rod as the depriming pin. 2mm hole in the end of the rod, glued in a length of 2mm A2 steel rod to serve as the pin proper. Then, tapped it out with a hammer. Easy peasy.